<!DOCTYPE html>
<html>
  <head>
    <title>Drawing Rectangles</title>
    <script src='OSC.js'></script>
  </head>
  <body>
    <canvas id='mycanvas' width='640' height='240'></canvas>

    <script>
      canvas               = O('mycanvas')
      context              = canvas.getContext('2d')
      S(canvas).background = 'lightblue'
      context.fillStyle    = 'blue'
      context.strokeStyle  = 'green'

      context.fillRect(  20, 20, 600, 200)
      context.clearRect( 40, 40, 560, 160)
      context.strokeRect(60, 60, 520, 120)
    </script>
  </body>
</html>
